1,1,1-Trichloroethane
Rosemount
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
23
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-10-24 | 18J1245-03 | ND |
| 2018-10-24 | 18J1247-01 | ND |
| 2018-10-24 | 18J1247-02 | ND |
| 2018-10-24 | 18J1247-03 | ND |
| 2018-10-24 | 18J1245-02 | ND |
| 2019-02-15 | 19B0722-01 | ND |
| 2019-04-29 | 19D2437-01 | ND |
| 2019-09-12 | 19I0608-01 | ND |
| 2019-11-25 | 19K1669-01 | ND |
| 2020-01-07 | 20A0140-05 | ND |
| 2020-01-07 | 20A0140-04 | ND |
| 2020-01-07 | 20A0140-03 | ND |
| 2020-05-19 | 20E1077-01 | ND |
| 2021-05-03 | 21E0038-01 | ND |
| 2021-05-03 | 21E0039-02 | ND |
| 2021-05-03 | 21E0039-03 | ND |
| 2021-05-03 | 21E0039-05 | ND |
| 2021-05-03 | 21E0039-06 | ND |
| 2022-05-17 | 22E1321-01 | ND |
| 2023-10-31 | 23J1741-01 | ND |
| 2023-10-31 | 23J1741-02 | ND |
| 2023-10-31 | 23J1741-03 | ND |
| 2023-10-31 | 23J1743-01 | ND |